Philips BDL4620QL Manuale Utente

BDL4620QL

20

Symptom

Possible Cause

Remedy

No picture is displayed

1.  The power cord is disconnected.
2.  The main power switch on the back of the 

display is not switched on.

3.  The selected input has no connection.
4.  The display is in standby mode.

1.  Plug in the power cord.
2.  Make sure the power switch is switched on.
3.  Connect a signal connection to the display.

Interference displayed on the display or audible 

noise is heard

Caused by surrounding electrical appliances or 

fluorescent lights.

Move the display to another location to see is the 

interference is reduced.

Color is abnormal

The signal cable is not connected properly.

Make sure that the signal cable is attached firmly 

to the back of the display.

Picture is distorted with abnormal patterns

1.  The signal cable is not connected properly.
2.  The input signal is beyond the capabilities of 

the display.

1.  Make sure that the signal cable is attached 

firmly.

2.  Check the video signal source to see if it 

is beyond the range of the display. Please 

verify its specifications with this display’s 

specification section.

Display image doesn’t fill up the full size of the

screen

The zoom mode is not correctly set.

Use the Zoom mode or Custom zoom function 

in the Screen menu to fine tune display geometry 

and time frequency parameter.

Can hear sound, but no picture

Improperly connected source signal cable.

Make sure that both video inputs and sound 

inputs are correctly connected.

Can see picture but no sound is heard

1.  Improperly connected source signal cable.
2.  Volume is turned all the way down.
3.  [MUTE] is turned on.
4.  No external speaker connected.

1.  Make sure that both video inputs and sound 

inputs are correctly connected.

2.  Press [ ] or [ ] button to hear sound.
3.  Switch MUTE off by using the 

[

] 

button.

4.  Connect external speakers and adjust the 

volume to a suitable level.

Some picture elements do not light up 

Some pixels of the display may not turn on.

This display is manufactured using an extremely 

high level of precision technology: however, 

sometimes some pixels of the display may not 

display. This is not a malfunction.

After-Images can still be seen on the display 

after the display is powered off. (Examples 

of still pictures include logos, video games, 

computer images, and images displayed in 4:3 

normal mode)

A still picture is displayed for an over extended 

period of time

Do not allow a still image to be displayed for 

an extended period of time as this can cause a 

permanent after-image to remain on the display.